Performance drop after 5 days running web application, how to spot the bottleneck?

Question

I\'ve developed a web application using the following tech stack:

• Java
• Mysql
• Scala
• Play Framework
• DavMail integration (for cale

Answer 1

jconsole comes with the JDK and is an easy tool to spot bottlenecks. Connect it to your server, look into memory usage, GC times, take a look at how many threads are alive because it could be that the server creates many threads and they never exit.